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Flutter 3.29 beta (#2571)
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@@ -55,11 +55,7 @@ class _GenerativeAISampleState extends State<GenerativeAISample> {
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@override
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Widget build(BuildContext context) {
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return AnimatedBuilder(
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animation: Listenable.merge([
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themeColor,
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themeMode,
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textScaleFactor,
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]),
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animation: Listenable.merge([themeColor, themeMode, textScaleFactor]),
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builder: (context, child) {
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return MaterialApp(
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debugShowCheckedModeBanner: false,
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@@ -69,22 +65,23 @@ class _GenerativeAISampleState extends State<GenerativeAISample> {
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themeMode: themeMode.value,
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builder: (context, child) {
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return MediaQuery(
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data: MediaQuery.of(context).copyWith(
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textScaler: TextScaler.linear(textScaleFactor.value)),
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data: MediaQuery.of(
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context,
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).copyWith(textScaler: TextScaler.linear(textScaleFactor.value)),
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child: child!,
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);
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},
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home: switch (apiKey) {
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final providedKey? => Example(
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title: widget.title,
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apiKey: providedKey,
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),
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title: widget.title,
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apiKey: providedKey,
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),
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_ => ApiKeyWidget(
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title: widget.title,
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onSubmitted: (key) {
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setState(() => apiKey = key);
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},
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),
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title: widget.title,
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onSubmitted: (key) {
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setState(() => apiKey = key);
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},
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),
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},
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);
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},
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@@ -93,11 +90,7 @@ class _GenerativeAISampleState extends State<GenerativeAISample> {
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}
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class Example extends StatefulWidget {
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const Example({
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super.key,
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required this.apiKey,
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required this.title,
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});
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const Example({super.key, required this.apiKey, required this.title});
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final String apiKey, title;
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@@ -189,9 +182,7 @@ class _ExampleState extends State<Example> {
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Future<GenerateContentResponse> callWithActions(
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Iterable<Content> prompt,
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) async {
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final response = await model.generateContent(
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_history.followedBy(prompt),
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);
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final response = await model.generateContent(_history.followedBy(prompt));
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if (response.candidates.isNotEmpty) {
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_history.addAll(prompt);
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_history.add(response.candidates.first.content);
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@@ -203,16 +194,20 @@ class _ExampleState extends State<Example> {
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case 'change_theme_color':
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final hex = args['hex'] as String;
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if (hex.length != 6) {
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actions.add(FunctionResponse(fn.name, {
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'type': 'Error',
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'message': 'hex must be exactly 6 characters',
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}));
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actions.add(
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FunctionResponse(fn.name, {
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'type': 'Error',
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'message': 'hex must be exactly 6 characters',
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}),
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);
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} else {
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themeColor.value = Color(int.parse('0xFF$hex'));
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actions.add(FunctionResponse(fn.name, {
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'type': 'Success',
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'message': 'theme color updated',
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}));
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actions.add(
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FunctionResponse(fn.name, {
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'type': 'Success',
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'message': 'theme color updated',
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}),
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);
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}
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break;
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case 'change_theme_mode':
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@@ -223,18 +218,22 @@ class _ExampleState extends State<Example> {
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'dark' => ThemeMode.dark,
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(_) => ThemeMode.system,
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};
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actions.add(FunctionResponse(fn.name, {
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'type': 'Success',
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'message': 'theme mode updated',
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}));
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actions.add(
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FunctionResponse(fn.name, {
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'type': 'Success',
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'message': 'theme mode updated',
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}),
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);
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break;
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case 'change_text_scale_factor':
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final value = args['scale'] as num;
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textScaleFactor.value = value.toDouble();
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actions.add(FunctionResponse(fn.name, {
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'type': 'Success',
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'message': 'font scale updated',
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}));
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actions.add(
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FunctionResponse(fn.name, {
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'type': 'Success',
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'message': 'font scale updated',
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}),
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);
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break;
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default:
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}
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@@ -266,30 +265,31 @@ class _ExampleState extends State<Example> {
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builder: (context, child) {
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final reversed = messages.value.reversed;
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return Scaffold(
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appBar: AppBar(
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title: Text(widget.title),
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),
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body: messages.value.isEmpty
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? const Center(
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child: Padding(
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padding: EdgeInsets.all(32.0),
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child: Text('Start changing the theme! Try typing '
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appBar: AppBar(title: Text(widget.title)),
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body:
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messages.value.isEmpty
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? const Center(
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child: Padding(
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padding: EdgeInsets.all(32.0),
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child: Text(
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'Start changing the theme! Try typing '
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'in requests like "Make the colors darker" or "Make the '
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'font larger" and see what happens.'),
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'font larger" and see what happens.',
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),
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),
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)
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: ListView.builder(
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padding: const EdgeInsets.all(8),
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reverse: true,
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itemCount: reversed.length,
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itemBuilder: (context, index) {
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final (sender, message) = reversed.elementAt(index);
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return MessageWidget(
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isFromUser: sender == Sender.user,
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text: message,
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);
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},
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),
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)
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: ListView.builder(
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padding: const EdgeInsets.all(8),
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reverse: true,
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itemCount: reversed.length,
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itemBuilder: (context, index) {
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final (sender, message) = reversed.elementAt(index);
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return MessageWidget(
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isFromUser: sender == Sender.user,
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text: message,
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);
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},
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),
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bottomNavigationBar: BottomAppBar(
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padding: const EdgeInsets.all(8),
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child: Row(
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@@ -328,7 +328,4 @@ class _ExampleState extends State<Example> {
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}
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}
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enum Sender {
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user,
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system,
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}
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enum Sender { user, system }
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